1 package C4::Barcodes::annual;
3 # Copyright 2008 LibLime
5 # This file is part of Koha.
7 # Koha is free software; you can redistribute it and/or modify it
8 # under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 3 of the License, or
10 # (at your option) any later version.
12 # Koha is distributed in the hope that it will be useful, but
13 # WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with Koha; if not, see <http://www.gnu.org/licenses>.
28 use Koha::DateUtils qw( output_pref dt_from_string );
30 use vars qw($VERSION @ISA);
31 use vars qw($debug $cgi_debug); # from C4::Debug, of course
35 $VERSION = 3.07.00.049;
36 @ISA = qw(C4::Barcodes);
42 my $query = "SELECT max(substring_index(barcode,'-',-1)) AS chunk,barcode FROM items WHERE barcode LIKE ? GROUP BY barcode";
43 # FIXME: unreasonably expensive query on large datasets
44 my $sth = C4::Context->dbh->prepare($query);
48 $iso = output_pref({ dt => dt_from_string( $input, 'iso' ), dateformat => 'iso', dateonly => 1 }); # try to set the date w/ 2nd arg
50 warn "Failed to create 'iso' Dates object with input '$input'. Reverting to today's date.";
51 $iso = output_pref({ dt => dt_from_string, dateformat => 'iso', dateonly => 1 }); # failover back to today
54 $iso = output_pref({ dt => dt_from_string, dateformat => 'iso', dateonly => 1 });
56 my $year = substr($iso,0,4); # YYYY
57 $sth->execute("$year-%");
58 my $row = $sth->fetchrow_hashref;
59 warn "barcode db_max (annual format, year $year): $row->{barcode}" if $debug;
60 return $row->{barcode};
65 return substr(output_pref({ dt => dt_from_string, dateformat => 'iso', dateonly => 1 }), 0, 4 ) .'-'. sprintf('%'."$width.$width".'d', 1);
70 my $barcode = (@_) ? shift : $self->value;
71 unless ($barcode =~ /(\d{4}-)(\d+)$/) { # non-greedy match in first part
72 carp "Barcode '$barcode' has no incrementing part!";
73 return ($barcode,undef,undef);
75 $debug and warn "Barcode '$barcode' parses into: '$1', '$2', ''";
76 return ($1,$2,''); # the third part is in anticipation of barcodes that include checkdigits
80 (@_) and $width = shift; # hitting the class variable.
83 sub process_head($$;$$) { # (self,head,whole,specific)
84 my ($self,$head,$whole,$specific) = @_;
85 $specific and return $head; # if this is built off an existing barcode, just return the head unchanged.
86 return substr(output_pref({ dt => dt_from_string, dateformat => 'iso', dateonly => 1 }), 0, 4 ) . '-'; # else get new YYYY-
91 my $type = ref($class) || $class;
92 my $self = $type->default_self('annual');
93 return bless $self, $type;